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Human eosinophil chemotactic factor,ECF ELISA Kit

  • 中文名称:
    人嗜酸粒细胞趋化因子(ECF)酶联免疫试剂盒
  • 货号:
    CSB-E04533h
  • 规格:
    96T/48T
  • 价格:
    ¥3200/¥2500
  • 其他:

产品详情

  • 产品描述:
    CUSABIO人嗜酸粒细胞趋化因子(ECF/CCL11)酶联免疫检测试剂盒(货号:CSB-E04533h),基于双抗体夹心原理定量分析血清、血浆、细胞培养上清及组织匀浆中的ECF蛋白浓度。ECF是一种趋化因子,通过结合CCR3受体调控嗜酸性粒细胞迁移,在过敏反应、哮喘、寄生虫感染及组织纤维化等炎症过程中发挥关键作用,是免疫调节机制研究的重要靶点。试剂盒采用高特异性配对抗体构建检测体系,灵敏度达31.25 pg/mL,检测范围覆盖31.25 pg/mL至2000 pg/mL,适用于体外研究ECF在炎症性疾病模型中的表达变化、药物干预效果评估或信号通路机制探索。该试剂盒支持多样本类型检测:血清/血浆样本可用于评估体内ECF水平动态,细胞培养上清适合监测体外刺激条件下的分泌情况,组织匀浆则便于分析局部组织中的趋化因子分布。实验操作全程无需特殊设备,标准96孔板设计兼容常规酶标仪读值,配套提供预包被板、检测抗体及标准品,3.5小时内即可完成检测流程,为免疫学、病理生理学等基础研究提供高效工具。
  • 别名:
    C-C motif chemokine 11 ELISA Kit; CCL 11 ELISA Kit; CCL11 ELISA Kit; CCL11_HUMAN ELISA Kit; chemokine (C-C motif) ligand 11 ELISA Kit; Chemokine C C motif ligand 11 ELISA Kit; Chemokine CC Motif Ligand 11 ELISA Kit; Chemokine ligand 11 ELISA Kit; Eosinophil chemotactic protein ELISA Kit; Eotaxin ELISA Kit; eotaxin-1 ELISA Kit; MGC22554 ELISA Kit; SCYA 11 ELISA Kit; SCYA11 ELISA Kit; Small inducible cytokine A11 ELISA Kit; Small inducible cytokine subfamily A (Cys Cys) member 11 ELISA Kit; small inducible cytokine subfamily A (Cys-Cys); member 11 (eotaxin) ELISA Kit; Small inducible cytokine subfamily A member 11 ELISA Kit; Small-inducible cytokine A11 ELISA Kit
  • 缩写:
  • Uniprot No.:
  • 种属:
    Homo sapiens (Human)
  • 样本类型:
    serum, plasma, cell culture supernates, tissue homogenates
  • 检测范围:
    31.25 pg/mL-2000 pg/mL
  • 灵敏度:
    7.8 pg/mL
  • 反应时间:
    1-5h
  • 样本体积:
    50-100ul
  • 检测波长:
    450 nm
  • 研究领域:
    Immunology
  • 测定原理:
    quantitative
  • 测定方法:
    Sandwich
  • 精密度:

    Intra-assay Precision (Precision within an assay): CV%<8%

    Three samples of known concentration were tested twenty times on one plate to assess.

    Inter-assay Precision (Precision between assays): CV%<10%

    Three samples of known concentration were tested in twenty assays to assess.

     

    Intra-Assay Precision

    Inter-Assay Precision

    Sample

    1

    2

    3

    1

    2

    3

    n

    20

    20

    20

    20

    20

    20

    Mean(pg/ml)

    254.273

    248.287

    251.508

    248.011

    250.633

    255.195

    SD

    0.033

    0.030

    0.032

    0.044

    0.042

    0.046

    CV(%)

    4.430

    4.098

    4.330

    6.016

    5.698

    6.158

  • 线性度:

    To assess the linearity of the assay, samples were spiked with high concentrations of human ECF in various matrices and diluted with the Sample Diluent to produce samples with values within the dynamic range of the assay.

     

    Sample

    Serum(n=4)

    1:1

    Average %

    89

    Range %

    85-92

    1:2

    Average %

    97

    Range %

    92-101

    1:4

    Average %

    91

    Range %

    87-94

    1:8

    Average %

    95

    Range %

    91-98

  • 回收率:

    The recovery of human ECF spiked to levels throughout the range of the assay in various matrices was evaluated. Samples were diluted prior to assay as directed in the Sample Preparation section.

    Sample Type

    Average % Recovery

    Range

    Serum (n=5)

    94

    89-97

    EDTA plasma (n=4)

    89

    84-92

  • 标准曲线:

    These standard curves are provided for demonstration only. A standard curve should be generated for each set of samples assayed.

    pg/ml

    OD1

    OD2

    Average

    Corrected

    2000

    2.706

    2.743

    2.725

    2.558

    1000

    1.981

    1.987

    1.984

    1.817

    500

    1.229

    1.245

    1.237

    1.070

    250

    0.745

    0.732

    0.739

    0.572

    125

    0.447

    0.454

    0.451

    0.284

    62.5

    0.323

    0.341

    0.332

    0.165

    31.25

    0.257

    0.248

    0.253

    0.086

    0

    0.168

    0.166

    0.167

     

  • 数据处理:
  • 货期:
    3-5 working days

产品评价

靶点详情

  • 最新研究进展:
        CCL11(也称为Eotaxin-1)是一种由多种细胞产生的蛋白质,如巨噬细胞和淋巴细胞。它被认为在哮喘、过敏性鼻炎和皮肤炎症等过敏性疾病的发展中起着重要作用。最近的研究表明,CCL11在阿尔茨海默病的发病机制中也扮演了一定的角色。
     
  • 功能:
    In response to the presence of allergens, this protein directly promotes the accumulation of eosinophils, a prominent feature of allergic inflammatory reactions. Binds to CCR3.
  • 基因功能参考文献:
    1. These results suggest CCL11 as a candidate biomarker for the prediction of acute and long-term functional outcomes in ischemic stroke patients PMID: 28634890
    2. analyzed the genotypes of 6 tag SNPs in the CCL11 gene (rs1129844, rs17809012, rs1860183, rs1860184, rs4795898, and rs4795895) in a case control study. We found the GG genotype of rs4795895 was significantly associated with increased risk of lacunar stroke and the GA genotype of rs17809012 was associated with a significant increase in risk of LAA stroke PMID: 28873081
    3. CCL11 promotor polymorphism is associated with increased risk for the development of schizophrenia in a Korean population. PMID: 29477870
    4. Findings suggest that CCL11-CCR3 binding is involved in the progression of GBM. PMID: 27119233
    5. There were no significant differences in GE area of infertile and fertile women. C-C motif chemokine 11 (P=0.048), TGFalpha (P=0.049), IFNgamma (P=0.033) and interleukin-1 alpha (P=0.047) were significantly elevated in uterine lavage from infertile women <35years compared to fertile but not in women 35years PMID: 27525354
    6. eotaxin promotes proliferation in vascular smooth muscle cells and triggers oxidative stress in a NADPH oxidase dependent manner. PMID: 27681294
    7. a receiver operating characteristic (ROC) curve analysis demonstrated CSF CCL11 accurately distinguished CTE subjects from non-athlete controls and AD subjects PMID: 28950005
    8. These studies characterized serum and intestinal wall eotaxin-1 levels in various inflammatory bowel disease patients and to explore the effect of targeting eotaxin-1 by specific antibodies in dextran sodium sulfate-induced colitis model. PMID: 26874691
    9. this study shows that expression of CCL11 is increased in eosinophilic myocarditis patients compared to chronic lymphocytic myocarditis patients PMID: 27621211
    10. Review: eotaxins (CCL11, CCL24, and CCL26) play key role(s) during symptomatic inflammatory responses raised in response to allergic crisis of allergic asthma and atopic dermatitis PMID: 26861136
    11. increased amounts released by neutrophils from fibromyalgia patients PMID: 26341115
    12. Eotaxin measured on the day of birth is useful for identifying extremely low birth weight infants at risk of bronchopulmonary dysplasia/death. PMID: 26270578
    13. The results of this study suggested that eotaxin-1 as a novel modifier of Alzheimer's disease age at onset and open potential avenues for therapy. PMID: 26324103
    14. ANDV caused long-term elevated levels of eotaxin-1, IL-6, IL-8, IP-10, and VEGF-A that peaked 20-25 days after infection PMID: 26907493
    15. The A allele in eotaxin 67 G/A polymorphism is associated with worse survival in CAD patients. PMID: 26491210
    16. Findings demonstrate a link between CCL11 and primary Sjogren's syndrome disease activity and lymphoma. PMID: 26359802
    17. Serum and urinary CCL11 were decreased in patients with prostate cancer compared with controls. PMID: 26306920
    18. Results show the structure of CCL11 bound to the sulfated N-terminal region of its receptor CCR3 and show that intact CCR3 is sulfated and sulfation enhances receptor activity. PMID: 25450766
    19. SF of BC OA displayed significantly higher concentrations for a number of proinflammatory cytokines [CXCL1, eotaxin, interferon (IFN)-gamma, interleukin (IL)-7, IL-8, IL-9, IL-12]. PMID: 25393692
    20. Taken together, these findings indicate that inhibiting IL-4-induced eotaxin-1 expression by synephrine occurs primarily through the suppression of eosinophil recruitment, which is mediated by inhibiting STAT6 phosphorylation. PMID: 25111027
    21. eotaxin-1 increases MMP-3 expression via the CCR3-ERK pathway, thereby promoting prostate cancer cell invasion and migration. PMID: 24604010
    22. the CCL11 GG genotype is a significant risk factor for ischemic as well as hemorrhagic stroke. Further, the frequency of the GG genotype was observed to be higher in hemorrhagic stroke patients in comparison with ischemic stroke. PMID: 25237944
    23. CCL11 is an antimicrobial protein with bacteriocidal activity against E. coli and S. aureus. PMID: 12949249
    24. thi is a study of the interaction between vCCI and eotaxin-1 (CCL11), a CC chemokine that is an important factor in the asthma response. PMID: 24482230
    25. Cannabis use was found to increase CCL11 plasma levels and the effects were reversed when cannabis use ceases. PMID: 23820464
    26. CCL11, CCL24, and CCL26 are increased in TB patients; hence, it seems that TB suppresses Th1 and the classic function of macrophages subsequently by inducing the chemokines' expression PMID: 24600981
    27. CCL11, CCL24, and CCL26 has a role in the recruitment of extravillous trophoblast into decidual tissue and vessels. PMID: 23477905
    28. CCL11 contributes to eosinophil recruitment in UC and that intestinal myeloid cells are a source of CCL11. PMID: 23904440
    29. These data uncover a previously unknown role for NRF2 in regulating Eotaxin-1 expression and further the mechanistic understanding of this pathway in modulating inflammatory lung disease. PMID: 23061798
    30. The impact of three single-nucleotide polymorphisms in eotaxin (SCYA11) gene promoter (-426C>T and -384A>G) and first exon (67G>A) and recently described hexanucleotide (GAAGGA)(n) 10.9 kb upstream on coronary atherosclerosis was investigated. PMID: 22773402
    31. Serum levels for CCL1 (I-309) were significantly elevated among all men with enlarged prostates (P < 0.04). Serum levels for CCL11 (Eotaxin-1) were significantly elevated among men with prostate cancer regardless of prostate size (P < 0.01). PMID: 23059958
    32. The Marfan syndrome patients with lowest mental quality of life and vitality scores had high levels of CCL11 cytokine. PMID: 23049769
    33. Study found that the plasma concentration of eotaxin was associated with the clinical severity of chronic rhinosinusitis in Taiwanese patients. PMID: 22271279
    34. The level of eotaxin expression and inflammatory cell count were measured in the material from nasal brushing in healthy controls and in patients with allergic rhinitis, asthma, and chronic obstructive pulmonary disease. PMID: 22846146
    35. the eotaxin/CCL11-CCR3 axis is active in idiopathic retroperitoneal fibrosis (IRF) and may contribute to its pathogenesis; the TTCCAT haplotype within the CCL11 gene is significantly associated with IRF PMID: 23114905
    36. Serum CCL17, IL-8, and eotaxin levels were significantly increased in eosinophilic subjects as compared to normal controls, but were similar between Churg-syndrome and hypereosinophilic syndrome. PMID: 22775568
    37. Eotaxin-1 not only induces MMP-3 gene expression but also promotes MMP-3 protein secretion through G protein-coupled eotaxin-1 receptor activities. PMID: 22114952
    38. Pretreated CCD-11Lu cells with noncytotoxic doses (0.1-10 muM) of CAPE inhibited the production of eotaxin under stimulation of IL-4 and tnf-alpha.CAPE pretreatment decreased the amount of pSTAT6 and STAT6 DNA binding complexes in nuclear extracts. PMID: 21601544
    39. In this study, eotaxin-1 -384 A>G or 67 G>A genotypes were not associated with susceptibility to Nasal Polyposis. PMID: 21825098
    40. Data show that expression levels of CCL11 and CCR3 mRNA in the lesional skin of ALCL were significantly higher than those in normal skin. PMID: 21406396
    41. After corticosteroid therapy, the expressions of Eotaxin and Eotaxin-2 in mucosal epithelia of nasal polyps were significantly decreased. PMID: 19522186
    42. Eotaxin induces proliferation of nonasthmatic airway smooth muscle cells and decreases their rate of apoptosis. PMID: 21368236
    43. The expression of Eotaxin-1 and -2 in nasal polyposis and polyps was dramatically higher than in controls. PMID: 17438849
    44. Corticosteroid treatment of nasal polyps reduced expression of CCL11. PMID: 17438850
    45. Measurements of eotaxin-1 in exhaled breath condensate of asthma patients may provide a useful diagnostic tool for detecting and monitoring airway inflammation and disease severity. PMID: 20704746
    46. Serum CCL18 level was significantly decreased in epithelial ovarian cancer patients with early stages compared to those with late stages. PMID: 19937162
    47. elevated levels of eotaxin in children with stable asthma; correlation with eosinophilia PMID: 20444156
    48. Eotaxin may up-regulate the expression of VCAM-1 in vessel endothelium and promote adhesion and migration of eosinophils, as a result, to lead to the recurrence of nasal polyps. PMID: 16874958
    49. Serum CCL11 was increased in ulcerative colitis (UC) and less in Crohn's disease (CD), whereas CCL24 and CCL26 were increased only in UC. Colon expression of the CCL's was higher in UC vs. CD, and was induced by Th2 cytokines in colon epithelial cells. PMID: 21077277
    50. SOCS1 and 3 may control chemotaxis and adhesion PMID: 20934424

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  • 亚细胞定位:
    Secreted.
  • 蛋白家族:
    Intercrine beta (chemokine CC) family
  • 数据库链接:

    HGNC: 10610

    OMIM: 601156

    KEGG: hsa:6356

    STRING: 9606.ENSP00000302234

    UniGene: Hs.54460